——How did you pass the challenging test? ——It was a long time I found a series of suitable methods....
2022-12-05 12:12:19 60次 2014届山东省高三10月份阶段性检测英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
——How did you
pass the challenging test?
——It was a long time
I found a series of suitable methods.
A. when
B. until C.
since D. before
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